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Byju's Answer
Standard XII
Mathematics
Permutation: n Different Things Taken All at a Time When All Are Not Different.
How many word...
Question
How many words, with or without meaning each of
3
vovels and
2
consonants can be formed from the letter of the word
I
N
V
O
L
U
T
E
?
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Solution
The no: of combination of
3
vowels and
2
consonants should be
4
×
6
=
24
.
Since we are considering combination,each set of
3
vowels and each set of
2
consonants form a combination.
The combination are
(
I
,
O
,
E
,
N
,
V
)
,
(
I
,
O
,
E
,
N
,
L
)
,...so on.
∴
24
×
120
=
2880
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Permutation: n Different Things Taken All at a Time When All Are Not Different.
Standard XII Mathematics
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